/* ============================================================
   FlowGuard — autonomous forex trading engine landing
   Self-contained, no build step. Dark fintech aesthetic.
   ============================================================ */

:root {
  --bg:        #05060a;
  --bg-2:      #080b13;
  --surface:   rgba(255, 255, 255, 0.025);
  --surface-2: rgba(255, 255, 255, 0.05);
  --border:    rgba(255, 255, 255, 0.08);
  --border-2:  rgba(255, 255, 255, 0.14);

  --text:   #e8ecf5;
  --muted:  #8a93a8;
  --faint:  #5b6478;

  --cyan:   #7df9ff;
  --violet: #8b5cf6;
  --gold:   #f5c451;

  --grad:   linear-gradient(100deg, #7df9ff 0%, #8b5cf6 52%, #f5c451 110%);
  --grad-soft: linear-gradient(135deg, rgba(125,249,255,.16), rgba(139,92,246,.16));

  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1140px;

  --shadow: 0 24px 60px -20px rgba(0,0,0,.7);
  --glow: 0 0 0 1px rgba(125,249,255,.25), 0 0 40px -8px rgba(139,92,246,.55);

  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --display: 'Space Grotesk', var(--sans);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img, svg, canvas { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ---------- backdrop ---------- */
#bg-canvas {
  position: fixed; inset: 0; width: 100%; height: 100%;
  z-index: -2; opacity: .9;
}
.grid-overlay {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 500px at 70% -10%, rgba(139,92,246,.18), transparent 60%),
    radial-gradient(700px 500px at 10% 0%, rgba(125,249,255,.12), transparent 55%),
    linear-gradient(180deg, rgba(5,6,10,0) 0%, rgba(5,6,10,.65) 60%, var(--bg) 100%);
}

/* ---------- layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 110px 0; position: relative; }
.section--alt { background: linear-gradient(180deg, transparent, rgba(255,255,255,.015), transparent); }
.section__head { max-width: 680px; margin: 0 auto 60px; text-align: center; }
.section__head h2 { font-family: var(--display); font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.1; letter-spacing: -.02em; }
.section__head p { color: var(--muted); margin-top: 16px; font-size: 1.05rem; }

.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; color: var(--cyan); margin-bottom: 14px;
}
.grad {
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: 999px; font-weight: 600; font-size: .95rem;
  transition: transform .2s ease, box-shadow .25s ease, background .25s ease, border-color .25s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: var(--grad); color: #05060a;
  box-shadow: 0 10px 30px -8px rgba(139,92,246,.6);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -8px rgba(139,92,246,.8); }
.btn--line { border: 1px solid var(--border-2); color: var(--text); }
.btn--line:hover { border-color: var(--cyan); background: var(--surface); }
.btn--ghost { border: 1px solid var(--border-2); padding: 9px 18px; }
.btn--ghost:hover { background: var(--surface-2); border-color: var(--cyan); }
.btn--lg { padding: 16px 34px; font-size: 1.05rem; }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(7,9,15,.72); backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand__mark { display: inline-flex; filter: drop-shadow(0 0 8px rgba(139,92,246,.5)); }
.brand__name { font-family: var(--display); font-weight: 700; letter-spacing: .14em; font-size: 1.15rem; }
.nav__links { display: flex; gap: 30px; }
.nav__links a { color: var(--muted); font-size: .92rem; font-weight: 500; transition: color .2s; }
.nav__links a:hover { color: var(--text); }
.nav__cta { display: flex; }
.nav__burger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav__burger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }

/* ---------- hero ---------- */
.hero { padding: 168px 0 90px; position: relative; }
.hero__inner { max-width: 880px; margin: 0 auto; text-align: center; }
.pill {
  display: inline-flex; align-items: center; gap: 9px; padding: 7px 16px;
  border: 1px solid var(--border); border-radius: 999px; background: var(--surface);
  font-size: .85rem; color: var(--muted); margin-bottom: 28px;
}
.pill__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 0 rgba(125,249,255,.6); animation: pulse 2.2s infinite; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(125,249,255,.55)} 70%{box-shadow:0 0 0 10px rgba(125,249,255,0)} 100%{box-shadow:0 0 0 0 rgba(125,249,255,0)} }

.hero__title {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(2.4rem, 6.4vw, 4.6rem); line-height: 1.05; letter-spacing: -.03em;
}
.hero__sub { color: var(--muted); font-size: clamp(1.02rem, 1.6vw, 1.22rem); max-width: 660px; margin: 26px auto 0; }
.hero__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 38px; }

.hero__stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  margin-top: 64px; padding: 28px; border: 1px solid var(--border);
  border-radius: var(--radius); background: var(--surface); backdrop-filter: blur(8px);
}
.stat { text-align: center; }
.stat__num { display: block; font-family: var(--display); font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; }
.stat__label { font-size: .82rem; color: var(--muted); margin-top: 4px; }

/* ---------- broker strip ---------- */
.strip { padding: 30px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: rgba(255,255,255,.012); }
.strip__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 18px; }
.strip__label { color: var(--faint); font-size: .85rem; }
.strip__logos { display: flex; flex-wrap: wrap; gap: 26px; }
.strip__logos span { font-family: var(--display); font-weight: 600; color: var(--muted); opacity: .75; transition: opacity .2s, color .2s; }
.strip__logos span:hover { opacity: 1; color: var(--text); }

/* ---------- feature cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  padding: 30px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); position: relative; overflow: hidden;
  transition: transform .25s, border-color .25s, background .25s;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad); opacity: 0; transition: opacity .3s;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.card:hover { transform: translateY(-4px); background: var(--surface-2); }
.card:hover::before { opacity: .9; }
.card__icon {
  width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center;
  font-size: 1.4rem; background: var(--grad-soft); border: 1px solid var(--border);
  margin-bottom: 18px; color: var(--cyan);
}
.card h3 { font-family: var(--display); font-size: 1.2rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .96rem; }

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.step {
  padding: 32px 28px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); position: relative;
}
.step__num { font-family: var(--display); font-size: 2.6rem; font-weight: 700; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.step h3 { font-family: var(--display); font-size: 1.25rem; margin: 8px 0 10px; }
.step p { color: var(--muted); font-size: .96rem; }

/* ---------- performance ---------- */
.perf { display: grid; grid-template-columns: 1fr 1.05fr; gap: 50px; align-items: center; }
.perf__copy h2 { font-family: var(--display); font-size: clamp(1.8rem, 3.4vw, 2.6rem); line-height: 1.1; letter-spacing: -.02em; }
.perf__copy > p { color: var(--muted); margin-top: 16px; }
.perf__list { margin-top: 30px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.perf__list li {
  display: flex; flex-direction: column; gap: 4px; padding: 18px 20px;
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface);
}
.perf__list strong { font-size: .82rem; color: var(--muted); font-weight: 500; }
.perf__list span { font-family: var(--display); font-size: 1.7rem; font-weight: 700; color: var(--text); }
.perf__note { font-size: .8rem; color: var(--faint); margin-top: 18px; }

.perf__chart {
  padding: 22px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); box-shadow: var(--shadow);
}
.perf__chart-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; font-size: .9rem; color: var(--muted); }
.perf__tag { color: var(--cyan); font-family: var(--display); font-weight: 700; }
#equity-canvas { width: 100%; }

/* ---------- pricing ---------- */
.toggle {
  display: inline-flex; gap: 4px; margin: 24px auto 0; padding: 5px;
  border: 1px solid var(--border); border-radius: 999px; background: var(--surface);
}
.toggle__btn { padding: 9px 20px; border-radius: 999px; font-size: .9rem; font-weight: 600; color: var(--muted); transition: .25s; }
.toggle__btn.is-active { background: var(--grad); color: #05060a; }
.toggle__save { font-size: .72rem; opacity: .85; }

.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }
.plan {
  padding: 34px 30px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); position: relative; transition: transform .25s, border-color .25s;
}
.plan:hover { transform: translateY(-4px); border-color: var(--border-2); }
.plan--featured {
  border-color: transparent; background: linear-gradient(180deg, rgba(139,92,246,.1), var(--surface));
  box-shadow: var(--glow); transform: translateY(-8px);
}
.plan--featured:hover { transform: translateY(-12px); }
.plan__badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--grad); color: #05060a; font-size: .72rem; font-weight: 700;
  padding: 5px 14px; border-radius: 999px; letter-spacing: .04em;
}
.plan__name { font-family: var(--display); font-size: 1.3rem; }
.plan__desc { color: var(--muted); font-size: .9rem; margin: 6px 0 22px; min-height: 40px; }
.plan__price { display: flex; align-items: flex-start; gap: 2px; margin-bottom: 24px; }
.plan__cur { font-size: 1.3rem; color: var(--muted); margin-top: 8px; }
.plan__amt { font-family: var(--display); font-size: 3rem; font-weight: 700; line-height: 1; }
.plan__per { color: var(--muted); align-self: flex-end; margin-bottom: 8px; }
.plan__feats { display: grid; gap: 12px; margin-bottom: 28px; }
.plan__feats li { position: relative; padding-left: 26px; font-size: .94rem; color: var(--text); }
.plan__feats li::before {
  content: "✓"; position: absolute; left: 0; top: 0; color: var(--cyan);
  font-weight: 700; width: 18px; height: 18px;
}
.plan__cta { width: 100%; }
.plans__note { text-align: center; color: var(--muted); margin-top: 34px; font-size: .9rem; }

/* ---------- testimonials ---------- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.quote { padding: 30px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.quote blockquote { font-size: 1.02rem; line-height: 1.6; }
.quote blockquote::before { content: "“"; font-family: var(--display); font-size: 2.4rem; color: var(--violet); line-height: 0; vertical-align: -.35em; margin-right: 4px; }
.quote figcaption { margin-top: 20px; display: flex; flex-direction: column; }
.quote figcaption strong { font-family: var(--display); }
.quote figcaption span { color: var(--muted); font-size: .85rem; }

/* ---------- faq ---------- */
.faq { max-width: 800px; }
.accordion { display: grid; gap: 12px; }
.ac { border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); overflow: hidden; }
.ac summary {
  list-style: none; cursor: pointer; padding: 20px 24px; font-family: var(--display);
  font-weight: 600; font-size: 1.05rem; display: flex; justify-content: space-between; align-items: center;
}
.ac summary::-webkit-details-marker { display: none; }
.ac summary::after { content: "+"; color: var(--cyan); font-size: 1.4rem; transition: transform .25s; }
.ac[open] summary::after { transform: rotate(45deg); }
.ac p { padding: 0 24px 22px; color: var(--muted); }

/* ---------- final cta ---------- */
.cta { padding: 100px 0; }
.cta__inner {
  text-align: center; max-width: 760px; margin: 0 auto; padding: 64px 40px;
  border: 1px solid var(--border); border-radius: 28px;
  background: var(--grad-soft); box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.cta__inner h2 { font-family: var(--display); font-size: clamp(1.9rem, 4vw, 3rem); letter-spacing: -.02em; line-height: 1.1; }
.cta__inner p { color: var(--muted); margin: 16px auto 32px; max-width: 520px; }
.cta__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 64px 0 36px; background: var(--bg-2); }
.footer__inner { display: grid; grid-template-columns: 1.4fr 2fr; gap: 50px; }
.footer__brand p { color: var(--muted); margin-top: 14px; max-width: 320px; font-size: .92rem; }
.footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer__cols h4 { font-family: var(--display); font-size: .95rem; margin-bottom: 14px; }
.footer__cols a { display: block; color: var(--muted); font-size: .9rem; padding: 5px 0; transition: color .2s; }
.footer__cols a:hover { color: var(--text); }
.footer__bottom { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--border); }
.footer__risk { color: var(--faint); font-size: .8rem; line-height: 1.6; max-width: 760px; }
.footer__copy { color: var(--faint); font-size: .85rem; margin-top: 16px; }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; }
  .nav.is-open .nav__links {
    display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0;
    background: rgba(7,9,15,.97); backdrop-filter: blur(14px); padding: 20px 24px; gap: 18px;
    border-bottom: 1px solid var(--border);
  }
  .cards, .steps, .plans, .quotes { grid-template-columns: 1fr 1fr; }
  .perf { grid-template-columns: 1fr; gap: 32px; }
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 620px) {
  .section { padding: 80px 0; }
  .hero { padding: 130px 0 70px; }
  .hero__stats { grid-template-columns: 1fr 1fr; }
  .cards, .steps, .plans, .quotes, .perf__list, .footer__cols { grid-template-columns: 1fr; }
  .plan--featured { transform: none; }
  .strip__inner { justify-content: center; text-align: center; }
}

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; scroll-behavior: auto; }
}